fix frameAvailable race condition (#2591)
treeb2506abf7cfb1f3ea375ef7133c121d951c46e96
-rw-r--r-- 66 .gitattributes
drwxr-xr-x - .github
-rw-r--r-- 174 .gitignore
-rw-r--r-- 35149 LICENSE
-rw-r--r-- 4691 README.md
drwxr-xr-x - src